<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <meta http-equiv="X-UA-Compatible" content="IE=edge" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <title>Document</title>
  </head>
  <body>
    <script>
      const obj = {
        name: "zs",
        age: 18,
        isDog: true,
      };
      console.log(Object.keys(obj)); // 收集对象所有的键到一个数组中
      console.log(Object.values(obj)); // 收集对象所有的值到一个数组中

      const o = {
        name: "lisi",
        mobile: 110,
      };

      // 浅拷贝
      console.log({ ...obj, ...o });
      console.log(Object.assign({ ...obj, ...o }));
    </script>
  </body>
</html>
